EP0514958A1 - Dispositif à ouvrir par découpe l'estomac d'une volaille - Google Patents

Dispositif à ouvrir par découpe l'estomac d'une volaille Download PDF

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Publication number
EP0514958A1
EP0514958A1 EP92201059A EP92201059A EP0514958A1 EP 0514958 A1 EP0514958 A1 EP 0514958A1 EP 92201059 A EP92201059 A EP 92201059A EP 92201059 A EP92201059 A EP 92201059A EP 0514958 A1 EP0514958 A1 EP 0514958A1
Authority
EP
European Patent Office
Prior art keywords
stomach
nozzle
cutting
liquid jet
bird
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP92201059A
Other languages
German (de)
English (en)
Inventor
Henderikus Koops
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meyn Machinefabriek BV
Machinefabriek Meyn BV
Original Assignee
Meyn Machinefabriek BV
Machinefabriek Meyn BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meyn Machinefabriek BV, Machinefabriek Meyn BV filed Critical Meyn Machinefabriek BV
Publication of EP0514958A1 publication Critical patent/EP0514958A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22B—SLAUGHTERING
    • A22B5/00—Accessories for use during or after slaughtering
    • A22B5/18—Cleaning the stomach of slaughtered animals

Definitions

  • the invention relates to a method for cutting open the stomach of a bird, especially the stomach of a turkey and to an apparatus for carrying out said method, comprising a cutting means and positioning means for positioning the stomach relative to the cutting means.
  • While processing birds for obtaining products to be sold one of the steps comprises cutting open the stomach which previously has been eviscerated from the bird in a way know per se. After the stomach has been cut open its contents are removed and, using a so called stomach peeler, the stomach membrane is separated from the stomach.
  • the cutting means comprises a rotating knife.
  • the stomach is guided along the rotating knife through the positioning means in such a way that a cut is made along the entire length of a stomach wall, after which the stomach as it were may be folded open to a planar position. In this open position the contents of the stomach can be removed and the stomach can be supplied to the stomach peeler.
  • Such a known method and apparatus, in which the cutting means comprises a rotating knife, have several disadvantages.
  • the setting of the rotating knife should occur extremely precisely in order to avoid that the cut made by the rotating knife not only extends in one stomach wall but also in the opposite stomach wall. In this respect it is complicating that the stomachs of different birds have different dimensions.
  • the method according to the invention is characterized in that at least one high-pressure liquid jet is used for cutting only one stomach wall and for internally pressurizing the stomach.
  • the stomach of the bird can be cut open in an extremly effective way.
  • the highly pressurized liquid jet enters through the respective wall of the stomach and into the stomach cavity. There the pressure of the liquid jet has diminished that far that the opposite stomach wall is not damaged.
  • the liquid jet creates a pressure rise in the stomach cavity which supports the cutting action of the liquid jet in such a way that starting from the already made cut the stomach as it were bursts open.
  • the high pressure liquid jet functions in two ways: at one hand for making a cut in the stomach wall and at the other hand for creating an internal pressure in the stomach cavity such as to further tear open the stomach wall as starting from that cut. This combined effect provides for a quick and effective cutting open of the stomach of the bird, even with relatively low pressures of the liquid jet.
  • the apparatus according to the invention is characterized in that the cutting means consists of at least one nozzle (9) for ejecting a high-pressure liquid jet.
  • the nozzle is oriented such as to eject the liquid jet in upward direction, whereas the positioning means comprise a conveyor for conveying the stomach to be cut open overhead the nozzle.
  • stomach is cut open by the liquid jet leaving the nozzle the internal surface of the stomach uncovered then is directed downwards, such that the contents of the stomach can be flushed downwards by the liquid without contaminating the outer surface of the stomach.
  • the nozzle is displaceable towards or away from the stomach to be processed.
  • the nozzle can be positioned at the ideal distance from the stomach for an optimised cutting operation.
  • the nozzle is spring-loaded towards the stomach to be processed.
  • the nozzle automatically adapts itself to the shape of a passing stomach.
  • the nozzle is mounted at the outer end of an arm pivoting in a vertical plane, said outer end engaging the stomach through guiding means.
  • the guiding means may comprise at least one follower roll. The follower roll follows the contour of the stomach to be processed, thus providing an automatic adaption of the position of the nozzle to the passing stomach.
  • the apparatus for cutting open the stomach of a bird according to the invention may be part of several apparatuses for processing slaughtered poultry known per se, such as a stomach peeler for peeling the stomach of a bird.
  • the apparatus for cutting open the stomach of a bird illustrated in fig. 1 comprises a conveyor shaped as a chain 1 with carriers 2.
  • the chain 1 runs around chain wheels 3.
  • a number of guidings 4 extend, for example shaped as guiding rods.
  • the illustrated embodiment comprises two guidings 4.
  • the stomachs 5 to be cut open are supplied through a hopper 6.
  • the stomachs 5 decend along the hopper and are gripped by the carriers 2 of chain 1 and are moved along the guidings 4, in the drawing from left to right.
  • an arm 8 pivoting around a pivot 7 which carries a nozzle 9 at its free outer end.
  • the arm 8 is upwardly loaded by a spring 10.
  • the arm 8 Apart from the nozzle 9 the arm 8 also carries a follower roll 11 near its free outer end.
  • the nozzle 9 is connected to a, not illustrated, source for providing pressurized liquid through a hose 12.
  • the liquid may consist of water.
  • the stomachs 5 supplied through the hopper 6 are moved along the guidings 4 by the carriers 2 of the chain 1.
  • the follower roll 11 engages the lower side of the stomach thus pivoting the arm 8 against the spring load of the spring 10 towards such a position that the nozzle 9 is at a favorable distance from the stomach 5 for carrying out its cutting action.
  • the stomach 5 passes overhead the nozzle 9 the highly pressurized liquid jet leaving the nozzle 9 cuts open the respective stomach wall, as a result of which the liquid jet also may enter the stomach cavity. Due to the cutting action of the liquid jet and the pressure created by the liquid jet entering the stomach cavity the respective stomach wall is cut open quickly and effectively.
  • the stomach 5 After passing the nozzle 9 the stomach 5 is folded open by the guidings 4, which are correspondingly shaped, and in some cases is supplied to an apparatus for a further operation (not illustrated).
  • an apparatus may comprise a stomach peeler.
EP92201059A 1991-05-24 1992-04-14 Dispositif à ouvrir par découpe l'estomac d'une volaille Withdrawn EP0514958A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9100895 1991-05-24
NL9100895A NL9100895A (nl) 1991-05-24 1991-05-24 Inrichting voor het opensnijden van de maag van een vogel.

Publications (1)

Publication Number Publication Date
EP0514958A1 true EP0514958A1 (fr) 1992-11-25

Family

ID=19859280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92201059A Withdrawn EP0514958A1 (fr) 1991-05-24 1992-04-14 Dispositif à ouvrir par découpe l'estomac d'une volaille

Country Status (4)

Country Link
US (1) US5256101A (fr)
EP (1) EP0514958A1 (fr)
CA (1) CA2067273A1 (fr)
NL (1) NL9100895A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002015667A2 (fr) * 2000-08-21 2002-02-28 Zelinski William J Jr Trancheuse de pommes de terre a haute pression

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5616073A (en) * 1995-10-27 1997-04-01 Tyson Holding Company Apparatus and method for processing hog stomachs
US8157625B2 (en) 2010-01-26 2012-04-17 Foodmate Bv Method and apparatus for collecting meat from an animal part
US8632380B2 (en) 2010-01-26 2014-01-21 Foodmate B.V. Method and apparatus for removing a sleeve of meat from an animal part having bone with knuckles on each of its opposite ends
US8789684B2 (en) 2010-04-19 2014-07-29 Foodmate Bv Rotatable article support for a conveyor
NL2004574C2 (en) 2010-04-19 2011-10-20 Foodmate B V Rotatable article support for a conveyor.
NL2004573C2 (en) 2010-04-19 2011-10-20 Foodmate B V Turning block alignment.
US8757354B2 (en) 2010-04-19 2014-06-24 Foodmate Bv Turning block alignment
NL2006075C2 (en) 2011-01-26 2012-07-30 Foodmate B V Rotationally indexed article support for a conveyor system having an alignment station.
US8727839B2 (en) 2011-01-21 2014-05-20 Foodmate Bv Poultry wing cutter for narrow pitch poultry lines
US8267241B2 (en) 2011-01-26 2012-09-18 Foodmate Bv Rotationally indexed article support for a conveyor system having an alignment station
PL2667728T3 (pl) 2011-01-26 2016-01-29 Foodmate Bv Sposób usuwania kości z ud zwierzęcych w celu oddzielania i zbierania z nich mięsa oraz urządzenie realizujące sposób
US8882571B2 (en) 2011-01-26 2014-11-11 Foodmate Bv Method of deboning animal thighs for separating and collecting meat therefrom and apparatus for performing the method
US8430728B2 (en) 2011-02-14 2013-04-30 Foodmate Bv Special cut poultry wing cutter
NL2009033C2 (en) 2012-06-19 2013-12-23 Foodmate B V Weighing method and apparatus.
NL2009718C2 (en) 2012-10-29 2014-05-01 Foodmate B V Method of mechanically removing skin from animal parts.
US8808068B2 (en) 2012-10-29 2014-08-19 Foodmate Bv Method of and system for automatically removing meat from an animal extremity
US9078453B2 (en) 2013-11-01 2015-07-14 Foodmate B.V. Method and system for automatically deboning poultry breast caps containing meat and a skeletal structure to obtain breast fillets therefrom
US8961274B1 (en) 2013-12-18 2015-02-24 Foodmate Bv Selective tendon cutter and method

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3402426A (en) * 1966-06-06 1968-09-24 Slagteriernes Forskiningsinsti Apparatus for dividing carcasses cut open ventrally
US3916482A (en) * 1974-01-30 1975-11-04 Vermund Kvilhaug Device for cleaving of carcasses of slaughtered animals
NL7613251A (nl) * 1976-11-28 1978-05-30 Meyn Pieter Magenpelmachine.
NL8005029A (nl) * 1980-09-05 1982-04-01 Systemate Bv Machine voor het behandelen van magen van gevogelte, in het bijzonder kalkoenen.
DE3516083A1 (de) * 1985-05-04 1986-11-06 Reinhard Freund, Maschinenbau, 4790 Paderborn Verfahren zum zerteilen von geschlachteten tieren oder von grossen fleischstuecken
DE3516082A1 (de) * 1985-05-04 1986-11-06 Reinhard Freund, Maschinenbau, 4790 Paderborn Verfahren zum heraustrennen von im fleisch liegenden knochen
DE3714677A1 (de) * 1987-05-02 1988-11-10 Messer Griesheim Gmbh Verfahren zur fleisch- und fischverarbeitung
WO1989008983A1 (fr) * 1988-03-22 1989-10-05 Design Systems, Inc. Procede et appareil pour couper automatiquement des produits alimentaires selon un poids ou une forme predetermines
WO1990006685A1 (fr) * 1988-12-19 1990-06-28 Aubert George Dispositif d'evisceration automatique de carcasses d'animaux de boucherie apres abattage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455675A (en) * 1946-12-06 1948-12-07 Zold G Hawk Machine for handling and preparing oysters
US3290722A (en) * 1964-08-25 1966-12-13 John C Norks Slitting device
SE370487B (fr) * 1973-02-20 1974-10-21 Arenco Km Ab
DE2744456C3 (de) * 1977-10-03 1980-07-17 Muenchmeyer & Co, 2000 Hamburg Vorrichtung zum Aufschneiden und Reinigen von Kleintiermägen, insbesondere Geflügelmägen
US4270243A (en) * 1979-11-29 1981-06-02 Lewis Eugene J Poultry breast splitting apparatus
US4536919A (en) * 1983-03-18 1985-08-27 Cagles', Inc. Breast processor

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3402426A (en) * 1966-06-06 1968-09-24 Slagteriernes Forskiningsinsti Apparatus for dividing carcasses cut open ventrally
US3916482A (en) * 1974-01-30 1975-11-04 Vermund Kvilhaug Device for cleaving of carcasses of slaughtered animals
NL7613251A (nl) * 1976-11-28 1978-05-30 Meyn Pieter Magenpelmachine.
NL8005029A (nl) * 1980-09-05 1982-04-01 Systemate Bv Machine voor het behandelen van magen van gevogelte, in het bijzonder kalkoenen.
DE3516083A1 (de) * 1985-05-04 1986-11-06 Reinhard Freund, Maschinenbau, 4790 Paderborn Verfahren zum zerteilen von geschlachteten tieren oder von grossen fleischstuecken
DE3516082A1 (de) * 1985-05-04 1986-11-06 Reinhard Freund, Maschinenbau, 4790 Paderborn Verfahren zum heraustrennen von im fleisch liegenden knochen
DE3714677A1 (de) * 1987-05-02 1988-11-10 Messer Griesheim Gmbh Verfahren zur fleisch- und fischverarbeitung
WO1989008983A1 (fr) * 1988-03-22 1989-10-05 Design Systems, Inc. Procede et appareil pour couper automatiquement des produits alimentaires selon un poids ou une forme predetermines
WO1990006685A1 (fr) * 1988-12-19 1990-06-28 Aubert George Dispositif d'evisceration automatique de carcasses d'animaux de boucherie apres abattage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002015667A2 (fr) * 2000-08-21 2002-02-28 Zelinski William J Jr Trancheuse de pommes de terre a haute pression
WO2002015667A3 (fr) * 2000-08-21 2002-05-10 William J Zelinski Jr Trancheuse de pommes de terre a haute pression

Also Published As

Publication number Publication date
NL9100895A (nl) 1992-12-16
CA2067273A1 (fr) 1992-11-25
US5256101A (en) 1993-10-26

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